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An above-barrier narrow resonance in $^{15}$F

de Grancey, F. ; Mercenne, A. ; de Oliveira Santos, Francois ; Davinson, T. ; Sorlin, O. ; Angélique, J.C. ; Assié, M. ; Berthoumieux, E. ; Borcea, R. ; Buta, A. ; Celikovic, I. ; Chudoba, V. ; Daugas, J.M. ; Dumitru, G. ; Fadil, M. ; Grévy, S. ; Kiener, J. ; Lefebvre-Schuhl, A. ; Michel, N. ; Mrazek, J. ; Negoita, F. ; Okolowicz, J. ; Pantelica, D. ; Pellegriti, M.G. ; Perrot, L. ; Ploszajczak, M. ; Randisi, G. ; Ray, I. ; Roig, O. ; Rotaru, F. ; Saint-Laurent, M.G. ; Smirnova, N. ; Stanoiu, M. ; Stefan, I. ; Stodel, C. ; Subotic, K. ; Tatischeff, V. ; Thomas, J.C. ; Ujic, P. ; Wolski, R.

Physics letters. B, 2016-07, Vol.758, p.26-31 [Periódico revisado por pares]

Elsevier

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Título:
An above-barrier narrow resonance in $^{15}$F
Autor: de Grancey, F. ; Mercenne, A. ; de Oliveira Santos, Francois ; Davinson, T. ; Sorlin, O. ; Angélique, J.C. ; Assié, M. ; Berthoumieux, E. ; Borcea, R. ; Buta, A. ; Celikovic, I. ; Chudoba, V. ; Daugas, J.M. ; Dumitru, G. ; Fadil, M. ; Grévy, S. ; Kiener, J. ; Lefebvre-Schuhl, A. ; Michel, N. ; Mrazek, J. ; Negoita, F. ; Okolowicz, J. ; Pantelica, D. ; Pellegriti, M.G. ; Perrot, L. ; Ploszajczak, M. ; Randisi, G. ; Ray, I. ; Roig, O. ; Rotaru, F. ; Saint-Laurent, M.G. ; Smirnova, N. ; Stanoiu, M. ; Stefan, I. ; Stodel, C. ; Subotic, K. ; Tatischeff, V. ; Thomas, J.C. ; Ujic, P. ; Wolski, R.
Assuntos: Nuclear Experiment ; Physics
É parte de: Physics letters. B, 2016-07, Vol.758, p.26-31
Descrição: Intense and purified radioactive beam of post-accelerated $^{14}$O was used to study the low-lying states in the unbound $^{15}$F nucleus. Exploiting resonant elastic scattering in inverse kinematics with a thick target, the second excited state, a resonance at E$_R$=4.757(6)(10)~MeV with a width of $\Gamma$=36(5)(14)~keV was measured for the first time with high precision. The structure of this narrow above-barrier state in a nucleus located two neutrons beyond the proton drip line was investigated using the Gamow Shell Model in the coupled channel representation with a $^{12}$C core and three valence protons. It is found that it is an almost pure wave function of two quasi-bound protons in the $2s_{1/2}$ shell.
Editor: Elsevier
Idioma: Inglês

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An above-barrier narrow resonance in $^{15}$F

Elsevier

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